NO316198B1 - Fremgangsmåte for segmentering og gjenkjenning av et dokument, s¶rlig en teknisk tegning - Google Patents
Fremgangsmåte for segmentering og gjenkjenning av et dokument, s¶rlig en teknisk tegning Download PDFInfo
- Publication number
- NO316198B1 NO316198B1 NO19996462A NO996462A NO316198B1 NO 316198 B1 NO316198 B1 NO 316198B1 NO 19996462 A NO19996462 A NO 19996462A NO 996462 A NO996462 A NO 996462A NO 316198 B1 NO316198 B1 NO 316198B1
- Authority
- NO
- Norway
- Prior art keywords
- image
- skeleton
- bipoints
- bipoint
- morphological
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 78
- 230000000877 morphologic effect Effects 0.000 claims description 47
- 238000012545 processing Methods 0.000 claims description 46
- 238000004422 calculation algorithm Methods 0.000 claims description 44
- 238000003909 pattern recognition Methods 0.000 claims description 17
- 238000011282 treatment Methods 0.000 claims description 17
- 230000011218 segmentation Effects 0.000 claims description 15
- 230000008569 process Effects 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 11
- 238000012567 pattern recognition method Methods 0.000 claims description 11
- 230000036961 partial effect Effects 0.000 claims description 10
- 230000003044 adaptive effect Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 8
- 235000012730 carminic acid Nutrition 0.000 claims description 7
- 239000004106 carminic acid Substances 0.000 claims description 7
- 229940080423 cochineal Drugs 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 238000012217 deletion Methods 0.000 claims description 3
- 230000037430 deletion Effects 0.000 claims description 3
- 230000003628 erosive effect Effects 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 241000243142 Porifera Species 0.000 claims description 2
- 230000006872 improvement Effects 0.000 claims description 2
- 235000012461 sponges Nutrition 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims 2
- 238000009826 distribution Methods 0.000 description 6
- 238000007792 addition Methods 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 5
- 238000002372 labelling Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
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- 230000003247 decreasing effect Effects 0.000 description 1
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- 239000013589 supplement Substances 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/40—Document-oriented image-based pattern recognition
- G06V30/42—Document-oriented image-based pattern recognition based on the type of document
- G06V30/422—Technical drawings; Geographical maps
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Artificial Intelligence (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Theoretical Computer Science (AREA)
- Image Analysis (AREA)
- Character Input (AREA)
- Facsimile Image Signal Circuits (AREA)
- Processing Or Creating Images (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9805825A FR2778476B1 (fr) | 1998-05-07 | 1998-05-07 | Procede de segmentation et de reconnaissance d'un document, notamment d'un plan technique |
| PCT/FR1999/001076 WO1999057677A1 (fr) | 1998-05-07 | 1999-05-06 | Procede de segmentation et de reconnaissance d'un document, notamment d'un plan technique |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO996462D0 NO996462D0 (no) | 1999-12-23 |
| NO996462L NO996462L (no) | 2000-03-07 |
| NO316198B1 true NO316198B1 (no) | 2003-12-22 |
Family
ID=9526151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19996462A NO316198B1 (no) | 1998-05-07 | 1999-12-23 | Fremgangsmåte for segmentering og gjenkjenning av et dokument, s¶rlig en teknisk tegning |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US6901168B1 (fr) |
| EP (1) | EP0993650B1 (fr) |
| JP (1) | JP4521485B2 (fr) |
| CA (1) | CA2296000C (fr) |
| DE (1) | DE69904903T2 (fr) |
| FR (1) | FR2778476B1 (fr) |
| NO (1) | NO316198B1 (fr) |
| WO (1) | WO1999057677A1 (fr) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10154875B4 (de) * | 2001-11-08 | 2007-06-21 | Siemens Corp. Research, Inc. | Verfahren zur Identifizierung grafischer Objekte in großen technischen Zeichnungen |
| ITVA20020060A1 (it) * | 2002-11-22 | 2004-05-23 | St Microelectronics Srl | Metodo di analisi di immagini rilevate da un micro-array |
| US9547799B2 (en) * | 2008-07-17 | 2017-01-17 | Sharp Laboratories Of America, Inc. | Methods and systems for content-boundary detection |
| US8873864B2 (en) * | 2009-12-16 | 2014-10-28 | Sharp Laboratories Of America, Inc. | Methods and systems for automatic content-boundary detection |
| WO2016029208A1 (fr) * | 2014-08-22 | 2016-02-25 | University Of South Florida | Système et procédé de stéréologie automatisée du cancer |
| EP4064217A1 (fr) | 2021-03-27 | 2022-09-28 | Tata Consultancy Services Limited | Extraction de région d'intérêt à partir d'images balayées et détermination d'un type d'image associé à celle-ci |
| CN117173455B (zh) * | 2023-08-11 | 2024-02-13 | 兰州交通大学 | 一种基于骨架线的地图建筑物形状分类方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5274714A (en) * | 1990-06-04 | 1993-12-28 | Neuristics, Inc. | Method and apparatus for determining and organizing feature vectors for neural network recognition |
| US5142589A (en) * | 1990-12-21 | 1992-08-25 | Environmental Research Institute Of Michigan | Method for repairing images for optical character recognition performing different repair operations based on measured image characteristics |
| CA2078423C (fr) * | 1991-11-19 | 1997-01-14 | Per-Kristian Halvorsen | Methode et dispositif d'extraction de portions de l'information contenue dans une image sans decodage de cette derniere |
-
1998
- 1998-05-07 FR FR9805825A patent/FR2778476B1/fr not_active Expired - Fee Related
-
1999
- 1999-05-06 EP EP99917002A patent/EP0993650B1/fr not_active Expired - Lifetime
- 1999-05-06 JP JP55501799A patent/JP4521485B2/ja not_active Expired - Fee Related
- 1999-05-06 US US09/462,259 patent/US6901168B1/en not_active Expired - Fee Related
- 1999-05-06 WO PCT/FR1999/001076 patent/WO1999057677A1/fr active IP Right Grant
- 1999-05-06 CA CA002296000A patent/CA2296000C/fr not_active Expired - Fee Related
- 1999-05-06 DE DE69904903T patent/DE69904903T2/de not_active Expired - Lifetime
- 1999-12-23 NO NO19996462A patent/NO316198B1/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| WO1999057677A1 (fr) | 1999-11-11 |
| JP4521485B2 (ja) | 2010-08-11 |
| FR2778476B1 (fr) | 2000-06-16 |
| EP0993650B1 (fr) | 2003-01-15 |
| NO996462L (no) | 2000-03-07 |
| NO996462D0 (no) | 1999-12-23 |
| CA2296000A1 (fr) | 1999-11-11 |
| DE69904903T2 (de) | 2003-11-06 |
| CA2296000C (fr) | 2007-04-24 |
| JP2002509632A (ja) | 2002-03-26 |
| US6901168B1 (en) | 2005-05-31 |
| EP0993650A1 (fr) | 2000-04-19 |
| FR2778476A1 (fr) | 1999-11-12 |
| DE69904903D1 (de) | 2003-02-20 |
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